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hsnoil t1_jaaslxj wrote on February 28, 2023 at 2:14 AM

Reply to comment by Necoras in This “Climate-Friendly” Fuel Comes With an Astronomical Cancer Risk: Almost half of products cleared so far under the new federal biofuels program are not in fact biofuels — and the EPA acknowledges that the plastic-based ones may present an “unreasonable risk” to human health or the environment. by nastratin

It isn't clean to burn regardless of what color. It gives off a lot of NOx.

As for air travel, the low energy density by volume makes it a pretty big barrier